SG Heritage Dictionary

Uredo [Noun] Webster's Dictionary 1913

1. One of the stages in the life history of certain rusts (Uredinales), regarded at one time as a distinct genus. It is a summer stage preceding the teleutospore, or winter stage. See Uredinales, in the Supplement.

2. Nettle rash. See Urticaria.

Uredospore [Noun] Webster's Dictionary 1913

The thin-walled summer spore which is produced during the so-called Uredo stage of certain rusts. See (in the Supplement) Uredinales, Heter/cious, etc.